Bedrock depth evaluation using microtremor measurement: empirical guidelines at weathered granite formation in Singapore
Reads0
Chats0
TLDR
In this article, a surface wave based technique, microtremor array measurement (MAM) and microtreme measurement (MM) is used to find the depth of bedrock at Bukit Timah granite formation in Singapore.About:
This article is published in Journal of Applied Geophysics.The article was published on 2019-12-01 and is currently open access. It has received 31 citations till now. The article focuses on the topics: Microtremor & Bedrock.read more
Citations
More filters
Journal ArticleDOI
A review of the microtremor horizontal-to-vertical spectral ratio (MHVSR) method
S. Molnar,Aamna Sirohey,Jamal Hassan Assaf,Pierre-Yves Bard,Silvia Castellaro,Cécile Cornou,B. D. Cox,Bertrand Guillier,Behzad Hassani,Hiroshi Kawase,Shinichi Matsushima,Francisco J. Sánchez-Sesma,Ai Yong +12 more
TL;DR: The single-station microtremor horizontal-to-vertical spectral ratio (MHVSR) method was initially proposed to retrieve the site amplification function and its resonance frequencies produced by unconsolidated sediments overlying high-velocity bedrock as discussed by the authors .
Journal ArticleDOI
Prediction of rockhead using a hybrid N-XGBoost machine learning framework
TL;DR: In this paper, a probabilistic N-XGBoost model was proposed for predicting the rockhead distribution using the spatial geographic information, which outperformed the other conventional ML models with a coefficient of determination (R2) of 0.89 and a root mean squared error (RMSE) of 5.8
Journal ArticleDOI
Polarization characteristics of Rayleigh waves to improve seismic site effects analysis by HVSR method
TL;DR: In this paper, the horizontal-to-vertical spectral ratio (HVSR) method was used to estimate the seismic site effect parameters, and the authors investigated the site effects on the fundamental Rayleigh (Rg) waves in the single and double-frequency (SF and DF) microseisms recorded at 30 Transportable Array stations in the east coast of the United States.
Journal ArticleDOI
Extracting the shear wave velocity structure of deep alluviums of “Qom” Basin (Iran) employing HVSR inversion of microtremor recordings
Shahram Maghami,Abdollah Sohrabi-Bidar,Samuel Bignardi,Samuel Bignardi,Ahmad Zarean,Mohsen Kamalian +5 more
TL;DR: In this paper, a three-dimensional model of the sedimentary basin in terms of shear wave velocity, which extends and integrates the previous knowledge (limited to the Vs30) down to the bedrock is presented.
Journal ArticleDOI
Practical configured microtremor array measurements (MAMs) for the geological investigation of underground space
Taeseo Ku,Subramaniam Palanidoss,Yunhuo Zhang,Yunhuo Zhang,Sung-Woo Moon,Sung-Woo Moon,Xiao Wei,Ean Seong Huang,Jeyatharan Kumarasamy,Kok Hun Goh +9 more
TL;DR: In this paper, the authors investigated the practical details of applying microtremor array measurement (MAM) as a non-invasive surface wave survey for mapping soil/rock interfaces in Singapore.
References
More filters
Journal Article
A method for dynamic characteristics estimation of subsurface using microtremor on the ground surface
TL;DR: In this paper, the spectrum ratio of the horizontal components and vertical component of microtremor bears resemblance to transfer function for horizontal motion of surface layers, and the method uses vertical component and horizontal components.
Journal ArticleDOI
Estimation of near‐surface shear‐wave velocity by inversion of Rayleigh waves
TL;DR: In this paper, an iterative solution technique to the weighted equation proved very effective in the high frequency range when using the Levenberg-Marquardt and singular value decomposition techniques.
Journal ArticleDOI
Microtremor measurements used to map thickness of soft sediments
TL;DR: In this article, the authors used the frequency of the main peak in the H/V spectrum of a microtremor to determine the thickness of soft cover layers of sediment.
Book
The Microtremor Survey Method
TL;DR: The micro-tremor survey method (MSM) as discussed by the authors uses the signal found in abundance anywhere on the surface of the Earth, the survey is simple and the operation does not require intensive environmental and safety precautions.
Related Papers (5)
Ground-motion characteristics estimated from spectral ratio between horizontal and vertical components of microtremor
Katsuaki Konno,Tatsuo Ohmachi +1 more